Finding the Fourth Proportional to 2,167.83, 3,252.78 and 1,127.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.83 : 3,252.78 = 1,127.61 : x
2. Step 2: Convert to fraction form
   2,167.83/3,252.78 = 1,127.61/x
3. Step 3: Cross multiply
   2,167.83x = 3,252.78 × 1,127.61
4. Step 4: Simplify right side
   2,167.83x = 3,667,867.26
5. Step 5: Solve for x
   x = 3,667,867.26/2,167.83
6. Step 6: Final answer
   x = 1,691.95